[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/test/select8.test

+# 2001 September 15
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library. 
+#
+# The focus of this file is testing that LIMIT and OFFSET work for
+# unusual combinations SELECT statements.
+#
+# $Id: select8.test,v 1.1 2008/01/12 12:48:09 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+execsql {
+  CREATE TABLE songs(songid, artist, timesplayed);
+  INSERT INTO songs VALUES(1,'one',1);
+  INSERT INTO songs VALUES(2,'one',2);
+  INSERT INTO songs VALUES(3,'two',3);
+  INSERT INTO songs VALUES(4,'three',5);
+  INSERT INTO songs VALUES(5,'one',7);
+  INSERT INTO songs VALUES(6,'two',11);
+}
+set result [execsql {
+  SELECT DISTINCT artist,sum(timesplayed) AS total      
+  FROM songs      
+  GROUP BY LOWER(artist)      
+}]
+do_test select8-1.1 {
+  execsql {
+    SELECT DISTINCT artist,sum(timesplayed) AS total      
+    FROM songs      
+    GROUP BY LOWER(artist)      
+    LIMIT 1 OFFSET 1
+  }
+} [lrange $result 2 3]
+do_test select8-1.2 {
+  execsql {
+    SELECT DISTINCT artist,sum(timesplayed) AS total      
+    FROM songs      
+    GROUP BY LOWER(artist)      
+    LIMIT 2 OFFSET 1
+  }
+} [lrange $result 2 5]
+do_test select8-1.3 {
+  execsql {
+    SELECT DISTINCT artist,sum(timesplayed) AS total      
+    FROM songs      
+    GROUP BY LOWER(artist)      
+    LIMIT -1 OFFSET 2
+  }
+} [lrange $result 4 end]
+
+
+finish_test